Home / 106,819.61-160,180.07-39,334.70

Finding the Fourth Proportional to 106,819.61, 160,180.07 and 39,334.70

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Solution

The fourth proportional to 106,819.61, 160,180.07 and 39,334.70 is: 58,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,819.61 : 160,180.07 = 39,334.70 : x
  2. Step 2: Convert to fraction form
    106,819.61/160,180.07 = 39,334.70/x
  3. Step 3: Cross multiply
    106,819.61x = 160,180.07 × 39,334.70
  4. Step 4: Simplify right side
    106,819.61x = 6,300,634,001.86
  5. Step 5: Solve for x
    x = 6,300,634,001.86/106,819.61
  6. Step 6: Final answer
    x = 58,983.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.